Madison Avenue Partners, LP 13F: Quarter-over-Quarter Portfolio Changes
Madison Avenue Partners, LP reported a disclosed portfolio value of approximately $2.3 billion in its latest SEC Form 13F-HR filing for Q1 2026, down 1.2% quarter on quarter. Over the quarter, the fund initiated 7 new positions, bought more shares in 3 holdings, trimmed 10 holdings, and exited 3 positions.
Madison Avenue Partners, LP's top buy was a new stake in Coupang INC (CPNG) , equal to 7.7% of the disclosed portfolio. Its top sell was Globus Med INC (GMED) . The fund sold 72.7% of its previously reported shares, reducing the position's portfolio weight by 7.2 percentage points.
New PositionsQ1 2026
Securities disclosed for the first time in Q1 2026 that were not present in the prior 13F-HR filing.
| Company | Ticker | Initial Portfolio Weight | History |
|---|---|---|---|
| COUPANG INC | CPNG | 7.7% | History → |
| ICON PLC (ICLR) | ICLR | 6.2% | History → |
| APARTMENT INVT & MGMT CO | AIV | 2.2% | Holders → |
| STAAR SURGICAL CO | STAA | 2.0% | Holders → |
| PRIMO BRANDS CORPORATION | PRMB | 1.1% | Holders → |
| DNOW INC (DNOW) | DNOW | 0.7% | Holders → |
| PAR TECHNOLOGY CORP | PAR | 0.3% | Holders → |
Top BuysQ1 2026
The fund's top buys among existing positions in Q1 2026. Ranked by portfolio-weight impact, with the percentage of additional shares shown separately.
| Company | Ticker | Portfolio Weight Change | More Shares | History |
|---|---|---|---|---|
| MAGNUM ICE CREAM CO NV | MICC | +3.1% | +78.0% | History → |
| SINCLAIR INC | SBGI | +0.2% | +62.0% | Holders → |
| GALAPAGOS NV | GLPG | +0.1% | +11.4% | Holders → |
Top SellsQ1 2026
The fund's top sells among positions it retained in Q1 2026. Ranked by portfolio-weight impact. Full exits are listed separately.
| Company | Ticker | Portfolio Weight Change | Shares Sold | History |
|---|---|---|---|---|
| GLOBUS MED INC | GMED | -7.2% | 72.7% | Holders → |
| SANDISK CORP | SNDK | 2.5% | 56.8% | History → |
| CENTRAL BANCOMPANY | CBC | -0.6% | 55.2% | Holders → |
| FRANKLIN STR PPTYS CORP | FSP | -0.1% | 52.1% | Holders → |
| WILEY JOHN & SONS INC | WLY | -0.4% | 40.9% | Holders → |
| INDIVIOR PHARMCEUTICALS INC | INDV | -4.0% | 31.3% | History → |
| KEROS THERAPEUTICS INC | KROS | -0.4% | 23.9% | Holders → |
| MAGNERA CORP | MAGN | -0.5% | 10.7% | Holders → |
| BRITISH AMERN TOB PLC | BTI | -0.1% | 8.2% | Holders → |
| SOLVENTUM CORP | SOLV | -1.4% | 5.6% | History → |
Full ExitsQ1 2026
Positions present in the prior 13F-HR filing that no longer appear in Q1 2026.
| Company | Ticker | Last-Reported Portfolio Weight |
|---|---|---|
| SOLSTICE ADVANCED MATLS INC | SOLS | 5.8% |
| UNIFIRST CORP MASS | UNF | 2.5% |
| WORKIVA INC | WK | 0.2% |
Net Portfolio Value ChangeQ1 2026
- $2.3BPrior quarter
- $2.3BCurrent quarter
- $-0.0BNet delta
- -1.2%% change
Methodology & FAQ
How Madison Avenue Partners, LP Quarterly Changes Are Computed
All deltas are sourced from sequential SEC Form 13F-HR filings for Madison Avenue Partners, LP: each row joins the most recent filing against the immediately preceding quarterly filing for the same fund. Share-count changes reflect reported trading activity, while portfolio weights can also move because of market price changes. Portfolio weights are normalized to exclude listed options for comparability. A complete description — including how confidential treatment filings are handled — is documented in the Methodology.
What stocks did Madison Avenue Partners, LP buy in Q1 2026?
In Q1 2026, Madison Avenue Partners, LP initiated 7 new positions (COUPANG INC (CPNG), ICON PLC (ICLR) (ICLR), APARTMENT INVT & MGMT CO (AIV), STAAR SURGICAL CO (STAA), PRIMO BRANDS CORPORATION (PRMB), DNOW INC (DNOW) (DNOW), PAR TECHNOLOGY CORP (PAR)); bought more shares of MAGNUM ICE CREAM CO NV (MICC), SINCLAIR INC (SBGI), GALAPAGOS NV (GLPG).
What stocks did Madison Avenue Partners, LP sell in Q1 2026?
In Q1 2026, Madison Avenue Partners, LP fully sold 3 positions (SOLSTICE ADVANCED MATLS INC (SOLS), UNIFIRST CORP MASS (UNF), WORKIVA INC (WK)); reduced holdings in GLOBUS MED INC (GMED), SANDISK CORP (SNDK), CENTRAL BANCOMPANY (CBC), FRANKLIN STR PPTYS CORP (FSP), WILEY JOHN & SONS INC (WLY) — the largest 5 of 10 reductions.
Which positions did Madison Avenue Partners, LP initiate in Q1 2026?
Madison Avenue Partners, LP established 7 new positions in Q1 2026: COUPANG INC (CPNG, 7.7%), ICON PLC (ICLR) (ICLR, 6.2%), APARTMENT INVT & MGMT CO (AIV, 2.2%), STAAR SURGICAL CO (STAA, 2.0%), PRIMO BRANDS CORPORATION (PRMB, 1.1%), DNOW INC (DNOW) (DNOW, 0.7%), PAR TECHNOLOGY CORP (PAR, 0.3%).
Which existing positions saw the largest allocation increases for Madison Avenue Partners, LP in Q1 2026?
Of 3 existing positions with share-count increases in Q1 2026, the largest were: MAGNUM ICE CREAM CO NV (MICC, +3.1% weight, +78.0% shares), SINCLAIR INC (SBGI, +0.2% weight, +62.0% shares), GALAPAGOS NV (GLPG, +0.1% weight, +11.4% shares).
Which positions did Madison Avenue Partners, LP fully exit in Q1 2026?
Madison Avenue Partners, LP fully exited 3 positions in Q1 2026: SOLSTICE ADVANCED MATLS INC (SOLS, last-reported weight 5.8%), UNIFIRST CORP MASS (UNF, last-reported weight 2.5%), WORKIVA INC (WK, last-reported weight 0.2%).
Which existing positions saw the largest allocation reductions for Madison Avenue Partners, LP in Q1 2026?
Of 10 existing positions with share-count reductions in Q1 2026, the largest were: GLOBUS MED INC (GMED, -7.2% weight, -72.7% shares), SANDISK CORP (SNDK, 2.5% weight, -56.8% shares), CENTRAL BANCOMPANY (CBC, -0.6% weight, -55.2% shares), FRANKLIN STR PPTYS CORP (FSP, -0.1% weight, -52.1% shares), WILEY JOHN & SONS INC (WLY, -0.4% weight, -40.9% shares), INDIVIOR PHARMCEUTICALS INC (INDV, -4.0% weight, -31.3% shares), KEROS THERAPEUTICS INC (KROS, -0.4% weight, -23.9% shares), MAGNERA CORP (MAGN, -0.5% weight, -10.7% shares), BRITISH AMERN TOB PLC (BTI, -0.1% weight, -8.2% shares), SOLVENTUM CORP (SOLV, -1.4% weight, -5.6% shares).
Do quarter-over-quarter 13F allocation changes constitute explicit trading signals?
No. Quarter-over-quarter changes reflect a combination of active trading and market price movement. A weight increase can result from price appreciation alone, without the manager adding shares. Share-count delta is the cleaner indicator of explicit trading activity. All deltas on this page are sourced from sequential SEC Form 13F-HR filings.